About Us

Only Industrial Corporation (OIK) is established since 1976, the founder Mr. John Tsai has over 40 years of experiences in developing rollers and components related to windows and doors.

We have worldwide markets, ranging from America, Europe, Australia, New Zealand and South East Asia regions. Our main markets are Japan and America which further demonstrate how important quality is to our firm.

We started by manufacturing nylon, polyacetal, stainless steel, steel rollers, and now have extended its products to adjustable roller sets, hinges, and other related parts to doors and windows.

Rollers are the hearts of the doors and windows, we focus especially on those that are used in the showers, sliding and pocket doors, or windows, files cabinets.
We're constantly improving our products to make installations easier for window and door manufacturers.

Once you try our products you'll understand why our customers stay with us. Please send us your drawings/ pictures or your requirements and we'll be very pleased to give you our best quotation and the best qualities.